Home / 22,122,902.70-33,196,251.33-21,317,663.88

Finding the Fourth Proportional to 22,122,902.70, 33,196,251.33 and 21,317,663.88

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Solution

The fourth proportional to 22,122,902.70, 33,196,251.33 and 21,317,663.88 is: 31,987,960.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,122,902.70 : 33,196,251.33 = 21,317,663.88 : x
  2. Step 2: Convert to fraction form
    22,122,902.70/33,196,251.33 = 21,317,663.88/x
  3. Step 3: Cross multiply
    22,122,902.70x = 33,196,251.33 × 21,317,663.88
  4. Step 4: Simplify right side
    22,122,902.70x = 707,666,527,928,942.88
  5. Step 5: Solve for x
    x = 707,666,527,928,942.88/22,122,902.70
  6. Step 6: Final answer
    x = 31,987,960.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.